參數(shù)資料
型號(hào): UPD178023
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 40/56頁
文件大小: 261K
代理商: UPD178023
40
μ
PD178023, 178024
Data Sheet U14126EJ1V0DS00
(b) Serial interface (SIO3)
(i) 3-wire serial I/O mode (SCK3 ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK3 cycle time
t
KCY1
800
ns
SCK3 high/low-level width
t
KH1
,
t
KL1
t
KCY1
/2 – 50
ns
SI3 setup time (to SCK3
)
t
SIK1
100
ns
SI3 hold time (from SCK3
)
t
KSI1
400
ns
SCK3
↓→
SO3 output delay time
t
KSO1
C = 100 pF
Note
300
ns
Note
C is the load capacitance of SCK3 and SO3 output line.
(ii) 3-wire serial I/O mode (SCK3 ... external clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK3 cycle time
t
KCY2
800
ns
SCK3 high/low-level width
t
KH2
,
t
KL2
400
ns
SI3 setup time (to SCK3
)
t
SIK2
100
ns
SI3 hold time (from SCK3
)
t
KSI2
400
ns
SCK3
↓→
SO3 output delay time
t
KSO2
C = 100 pF
Note
300
ns
SCK3 at rising or falling edge time
t
R2
, t
F2
1000
ns
Note
C is the load capacitance of SO3 output line.
(d) Serial interface (UART0: Dedicated baud rate generator output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
38400
bps
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